1 /* Signal number definitions. Linux/MIPS version. 2 Copyright (C) 1995-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library. If not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _BITS_SIGNUM_H 20 #define _BITS_SIGNUM_H 1 21 22 #ifndef _SIGNAL_H 23 #error "Never include <bits/signum.h> directly; use <signal.h> instead." 24 #endif 25 26 /* Adjustments and additions to the signal number constants for 27 Linux/MIPS. */ 28 29 #define SIGEMT 7 /* Emulator trap. */ 30 #define SIGPWR 19 /* Power failure imminent. */ 31 32 /* Historical signals specified by POSIX. */ 33 #define SIGBUS 10 /* Bus error. */ 34 #define SIGSYS 12 /* Bad system call. */ 35 36 /* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */ 37 #define SIGURG 21 /* Urgent data is available at a socket. */ 38 #define SIGSTOP 23 /* Stop, unblockable. */ 39 #define SIGTSTP 24 /* Keyboard stop. */ 40 #define SIGCONT 25 /* Continue. */ 41 #define SIGCHLD 18 /* Child terminated or stopped. */ 42 #define SIGTTIN 26 /* Background read from control terminal. */ 43 #define SIGTTOU 27 /* Background write to control terminal. */ 44 #define SIGPOLL 22 /* Pollable event occurred (System V). */ 45 #define SIGXCPU 30 /* CPU time limit exceeded. */ 46 #define SIGVTALRM 28 /* Virtual timer expired. */ 47 #define SIGPROF 29 /* Profiling timer expired. */ 48 #define SIGXFSZ 31 /* File size limit exceeded. */ 49 #define SIGUSR1 16 /* User-defined signal 1. */ 50 #define SIGUSR2 17 /* User-defined signal 2. */ 51 52 /* Nonstandard signals found in all modern POSIX systems 53 (including both BSD and Linux). */ 54 #define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */ 55 56 /* Archaic names for compatibility. */ 57 #define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */ 58 #define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */ 59 #define SIGCLD SIGCHLD /* Old System V name */ 60 61 /* By default no real-time signals are supported. */ 62 #define __SIGRTMIN 32 63 #define __SIGRTMAX 127 64 65 #endif /* <signal.h> included. */